Question

How do i solve this using the substitution method

Answer 1

First make them one side equation =0
0=-2y+4x+10
0=2y+6x-10 
0=2x
x=0
substituted 0 in any of the original equation 
2y=4(0)+10
2y=10 ....../2
y=5
check 2(5)=4(0)+10 .......>10=10